@NullUnmarked
public class SourceSinkTester<S, T, F extends SourceSinkFactory<S, T>> extends TestCase {

  static final String LOREM_IPSUM =
      "Lorem ipsum dolor sit amet, consectetur adipiscing "
          + "elit. Cras fringilla elit ac ipsum adipiscing vulputate. Maecenas in lorem nulla, ac "
          + "sollicitudin quam. Praesent neque elit, sodales quis vestibulum vel, pellentesque nec "

### Format

The format for ADR should follow this template:

```markdown
# ADR-000X - Title

## Date

20YY-MM-DD

## Context

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna
aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

// license that can be found in the LICENSE file.

package tar

import (
	"bytes"
	"io"
	"testing"
)

func FuzzReader(f *testing.F) {
	b := bytes.NewBuffer(nil)
	w := NewWriter(b)

		t.Fatal("read should fail")
	}
	err := scanner.Err()
	if err != io.ErrNoProgress {
		t.Errorf("unexpected error: %v", err)
	}
}

func TestScanWordsExcessiveWhiteSpace(t *testing.T) {
	const word = "ipsum"
	s := strings.Repeat(" ", 4*smallMaxTokenSize) + word
	scanner := NewScanner(strings.NewReader(s))
	scanner.MaxTokenSize(smallMaxTokenSize)
	scanner.Split(ScanWords)
	if !scanner.Scan() {